salable
畅销的

popular
有销路的

find a market
销售

selling line
销路

trial sale, test sale, test market
试销

salable goods
畅销货

popular goods
快货

the best selling line (the best seller)
热门货

to find (have) a ready market
有销路，畅销

to have a strong footing in a market
很有销路

good market
畅销

poor (no) market
滞销

goods that sell well
畅销货

sell like wild fire
畅销，销得很快